#include<stdio.h>
int main()
{
	char c1 = 'a', c2 = 'b', c3 = 'c', c4 = '\101', c5 = '\x52', c6 =' 101';
	printf("%c%c%c\b%c\t%c\t%c\n", c1, c2, c3, c4, c5, c6);
	printf("12345678123456781\n");
	return 0;

}